package wiki.kaizen.cloud.plugin.redis.serializer;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.serializer.SerializerFeature;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.serializer.SerializationException;
import com.alibaba.fastjson.parser.ParserConfig;

import java.nio.charset.Charset;
/**
 * fastJson 序列化 重写Redis反序列化
 */
public class FastJson2JsonRedisSerializer<T> implements RedisSerializer<T> {

    private Class<T> clazz;

    static {
        ParserConfig.getGlobalInstance().setAutoTypeSupport(true);
    }
    public FastJson2JsonRedisSerializer(Class<T> clazz) {
        super();
        this.clazz = clazz;
    }

    public byte[] serialize(T t) throws SerializationException {
        if (t == null) {
            return new byte[0];
        }
        return JSON.toJSONString(t, SerializerFeature.WriteClassName).getBytes(Charset.forName("UTF-8"));
    }

    public T deserialize(byte[] bytes) throws SerializationException {
        if (bytes == null || bytes.length <= 0) {
            return null;
        }
        String str = new String(bytes, Charset.forName("UTF-8"));

        return JSON.parseObject(str, clazz);
    }


}
